Mathematics (Syllabus D) · May / June 2025 · Paper 12 · Question 23
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NOT TO SCALE A B D C O OAB is a minor sector of a circle, centre O. OCD is a major sector of a different circle, centre O. OCA and ODB are straight lines. OC = 6 cm and OA = 9 cm. The length of the minor arc AB is 5r cm. Work out the area of the major sector OCD. Give your answer in terms of r. cm2 [5]
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